<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<%@ include file="/WEB-INF/views/common/taglib.jsp" %>    
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>login page</title>
</head>
<body>
	<center>
		<h2>登录失败，请重试!  </h2>
		<c:if test="${message != null }">
			<p style="color: red;">用户名已经存在!</p>
		</c:if>
		<div><button onclick="javascript:history.go(-1)">点击返回</button></div>
	</center>
</body>
</html>